save project

diy2.py

+i=5
 username = "python"
 userpassword = "123456"
-for i in range(5):
+for g in range(5):
+    i=i-1
     a = input("请输入用户名:")
     b = input("请输入密码:")
     if a != username:
         print("名字错误")
+        print("还剩"+str(i)+"次机会")
         continue
     if b != userpassword:
         print("密码错误")
+        print("还剩"+str(i)+"次机会")
     else:
         print("登陆成功")
         break